/*
 * Copyright 2013-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alibaba.cloud.nacos;

import java.util.List;

import com.alibaba.cloud.nacos.client.NacosPropertySourceLocator;
import com.huaweicloud.nacos.config.manager.NacosConfigManager;
import com.huaweicloud.nacos.config.manager.NacosConfigServiceMasterManager;
import com.huaweicloud.nacos.config.manager.NacosConfigServiceStandbyManager;
import com.alibaba.cloud.nacos.refresh.SmartConfigurationPropertiesRebinder;
import com.alibaba.cloud.nacos.refresh.condition.ConditionalOnNonDefaultBehavior;

import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.autoconfigure.condition.SearchStrategy;
import org.springframework.cloud.context.properties.ConfigurationPropertiesBeans;
import org.springframework.cloud.context.properties.ConfigurationPropertiesRebinder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * Forked and modify from com.alibaba.cloud.nacos.NacosConfigBootstrapConfiguration.java
 *
 * <p>
 *   add master and standby config service manager bean init
 * </p>
 *
 * @author xiaojing
 * @author freeman
 */
@Configuration(proxyBeanMethods = false)
@ConditionalOnProperty(name = "spring.cloud.nacos.config.enabled", matchIfMissing = true)
public class NacosConfigBootstrapConfiguration {

  @Bean
  @ConditionalOnMissingBean
  public NacosConfigProperties nacosConfigProperties() {
    return new NacosConfigProperties();
  }

  @Bean
  @ConditionalOnMissingBean
  public NacosConfigServiceMasterManager nacosConfigServiceManagerMaster(
      NacosConfigProperties properties) {
    return new NacosConfigServiceMasterManager(properties);
  }

  @Bean
  @ConditionalOnMissingBean
  @ConditionalOnProperty(value = NacosConfigProperties.PREFIX + ".master-standby-enabled", havingValue = "true")
  public NacosConfigServiceStandbyManager nacosConfigServiceManagerStandby(
      NacosConfigProperties properties) {
    return new NacosConfigServiceStandbyManager(properties);
  }

  @Bean
  public NacosPropertySourceLocator nacosPropertySourceLocator(
      List<NacosConfigManager> nacosConfigManagers, NacosConfigProperties properties) {
    return new NacosPropertySourceLocator(nacosConfigManagers, properties);
  }

  /**
   * Compatible with bootstrap way to start.
   */
  @Bean
  @ConditionalOnMissingBean(search = SearchStrategy.CURRENT)
  @ConditionalOnNonDefaultBehavior
  public ConfigurationPropertiesRebinder smartConfigurationPropertiesRebinder(
      ConfigurationPropertiesBeans beans) {
    // If using default behavior, not use SmartConfigurationPropertiesRebinder.
    // Minimize te possibility of making mistakes.
    return new SmartConfigurationPropertiesRebinder(beans);
  }
}
